<template>
  <Modal v-bind="getBindValue" @cancel="handleCancel">
    <template #closeIcon v-if="!$slots.closeIcon">
      <ModalClose
        :canFullscreen="getProps.canFullscreen"
        :fullScreen="fullScreenRef"
        @cancel="handleCancel"
        @fullscreen="handleFullScreen"
      />
    </template>

    <template #title v-if="!$slots.title">
      <ModalHeader
        :helpMessage="getProps.helpMessage"
        :title="getMergeProps.title"
        @dblclick="handleTitleDbClick"
      />
    </template>

    <template #footer v-if="!$slots.footer">
      <ModalFooter v-bind="getBindValue" @ok="handleOk" @cancel="handleCancel">
        <template #[item]="data" v-for="item in Object.keys($slots)">
          <slot :name="item" v-bind="data || {}"></slot>
        </template>
      </ModalFooter>
    </template>

    <ModalWrapper
      :useWrapper="getProps.useWrapper"
      :footerOffset="wrapperFooterOffset"
      :fullScreen="fullScreenRef"
      ref="modalWrapperRef"
      :loading="getProps.loading"
      :loading-tip="getProps.loadingTip"
      :minHeight="getProps.minHeight"
      :height="getWrapperHeight"
      :open="openRef"
      :modalFooterHeight="footer !== undefined && !footer ? 0 : undefined"
      v-bind="omit(getProps.wrapperProps, 'open', 'height', 'modalFooterHeight')"
      @ext-height="handleExtHeight"
      @height-change="handleHeightChange"
    >
      <slot></slot>
    </ModalWrapper>

    <template #[item]="data" v-for="item in Object.keys(omit($slots, 'default'))">
      <slot :name="item" v-bind="data || {}"></slot>
    </template>
  </Modal>
</template>
<script lang="ts">
  import type { ModalProps, ModalMethods } from './typing';

  import {
    defineComponent,
    computed,
    ref,
    watch,
    unref,
    watchEffect,
    toRef,
    getCurrentInstance,
    nextTick,
  } from 'vue';
  import Modal from './components/Modal';
  import ModalWrapper from './components/ModalWrapper.vue';
  import ModalClose from './components/ModalClose.vue';
  import ModalFooter from './components/ModalFooter.vue';
  import ModalHeader from './components/ModalHeader.vue';
  import { isFunction } from '/@/utils/is';
  import { deepMerge } from '/@/utils';
  import { basicProps } from './props';
  import { useFullScreen } from './hooks/useModalFullScreen';
  import { omit } from 'lodash-es';

  export default defineComponent({
    name: 'BasicModal',
    components: { Modal, ModalWrapper, ModalClose, ModalFooter, ModalHeader },
    inheritAttrs: false,
    props: basicProps,
    emits: ['open-change', 'height-change', 'cancel', 'ok', 'register', 'update:open'],
    setup(props, { emit, attrs }) {
      const openRef = ref(false);
      const propsRef = ref<Partial<ModalProps> | null>(null);
      const modalWrapperRef = ref<any>(null);

      // modal   Bottom and top height
      const extHeightRef = ref(0);
      const modalMethods: ModalMethods = {
        setModalProps,
        emitOpen: undefined,
        redoModalHeight: () => {
          nextTick(() => {
            if (unref(modalWrapperRef)) {
              (unref(modalWrapperRef) as any).setModalHeight();
            }
          });
        },
      };

      const instance = getCurrentInstance();
      if (instance) {
        emit('register', modalMethods, instance.uid);
      }

      // Custom title component: get title
      const getMergeProps = computed((): Recordable => {
        return {
          ...props,
          ...(unref(propsRef) as any),
        };
      });

      const { handleFullScreen, getWrapClassName, fullScreenRef } = useFullScreen({
        modalWrapperRef,
        extHeightRef,
        wrapClassName: toRef(getMergeProps.value, 'wrapClassName'),
      });

      // modal component does not need title and origin buttons
      const getProps = computed((): Recordable => {
        const opt = {
          ...unref(getMergeProps),
          // open: unref(openRef),
          okButtonProps: undefined,
          cancelButtonProps: undefined,
          title: undefined,
        };
        return {
          ...opt,
          wrapClassName: unref(getWrapClassName),
        };
      });

      const getBindValue = computed((): Recordable => {
        const attr = {
          ...attrs,
          ...unref(getMergeProps),
          open: unref(openRef),
          wrapClassName: unref(getWrapClassName),
          maskTransitionName: 'ant-fade',
          transitionName: 'ant-fade',
        };
        if (unref(fullScreenRef)) {
          return omit(attr, ['height', 'title']);
        }
        return omit(attr, 'title');
      });

      const getWrapperHeight = computed(() => {
        if (unref(fullScreenRef)) return undefined;
        return unref(getProps).height;
      });

      watchEffect(() => {
        openRef.value = !!props.open;
        fullScreenRef.value = !!props.defaultFullscreen;
      });

      watch(
        () => unref(openRef),
        (v) => {
          emit('open-change', v);
          emit('update:open', v);
          instance && modalMethods.emitOpen?.(v, instance.uid);
          nextTick(() => {
            if (props.scrollTop && v && unref(modalWrapperRef)) {
              (unref(modalWrapperRef) as any).scrollTop();
            }
          });
        },
        {
          immediate: false,
        },
      );

      // 取消事件
      async function handleCancel(e: Event) {
        e?.stopPropagation();

        if (props.closeFunc && isFunction(props.closeFunc)) {
          const isClose: boolean = await props.closeFunc();
          openRef.value = !isClose;
          return;
        }

        openRef.value = false;
        emit('cancel', e);
      }

      /**
       * @description: 设置modal参数
       */
      function setModalProps(props: Partial<ModalProps>): void {
        if (typeof props.loading != 'undefined') {
          props.confirmLoading = props.loading;
        }
        // Keep the last setModalProps
        propsRef.value = deepMerge(unref(propsRef) || ({} as any), props);
        if (Reflect.has(props, 'open')) {
          openRef.value = !!props.open;
        }
        if (Reflect.has(props, 'defaultFullscreen')) {
          fullScreenRef.value = !!props.defaultFullscreen;
        }
      }

      function handleOk(e: Event) {
        emit('ok', e);
      }

      function handleHeightChange(height: string) {
        emit('height-change', height);
      }

      function handleExtHeight(height: number) {
        extHeightRef.value = height;
      }

      function handleTitleDbClick(e) {
        if (!props.canFullscreen) return;
        e.stopPropagation();
        handleFullScreen(e);
      }

      return {
        handleCancel,
        getBindValue,
        getProps,
        handleFullScreen,
        fullScreenRef,
        getMergeProps,
        handleOk,
        openRef,
        omit,
        modalWrapperRef,
        handleExtHeight,
        handleHeightChange,
        handleTitleDbClick,
        getWrapperHeight,
      };
    },
  });
</script>

<style lang="less">
  @prefix-cls: ~'jeesite-basic-modal';

  .ant-modal.@{prefix-cls} {
    .ant-modal {
      &-body {
        padding: 12px !important;
        background-color: @component-background;

        > .scrollbar {
          > .scrollbar__wrap {
            margin: 15px;
            padding: 1px;
          }

          > .is-horizontal {
            display: none;
          }
        }
      }

      &-title {
        font-size: 16px;
        font-weight: bold;
        line-height: 16px;

        .base-title {
          cursor: move !important;
        }

        .anticon {
          color: @primary-color;
        }
      }

      &-large {
        top: 60px;

        &--mini {
          top: 16px;
        }
      }

      &-content {
        box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
        padding: 0;
      }

      &-header {
        padding: 14px;
        margin-bottom: 0;
        border-bottom: 1px solid fade(@border-color-base, 50%);
      }

      &-footer {
        padding: 14px;
        margin-top: 0;
        // border-top: 1px solid fade(@border-color-base, 50%);

        button + button {
          margin-left: 10px;
        }
      }

      &-close {
        position: absolute;
        top: 0;
        right: 0;
        width: auto;
        height: auto;
        font-weight: normal;
        outline: none;

        &:hover {
          background-color: transparent;
        }
      }

      &-close-x {
        display: inline-block;
        width: 96px;
        height: 56px;
        line-height: 56px;
      }

      &-confirm-body {
        .ant-modal-confirm-content {
          // color: #fff;

          > * {
            color: @text-color-help-dark;
          }
        }
      }

      &-confirm-confirm.error .ant-modal-confirm-body > .anticon {
        color: @error-color;
      }

      &-confirm-btns {
        .ant-btn:last-child {
          margin-right: 0;
        }
      }

      &-confirm-info {
        .ant-modal-confirm-body > .anticon {
          color: @warning-color;
        }
      }

      &-confirm-confirm.success {
        .ant-modal-confirm-body > .anticon {
          color: @success-color;
        }
      }
    }

    .ant-modal-confirm .ant-modal-body {
      padding: 24px !important;
    }
    @media screen and (max-height: 600px) {
      .ant-modal {
        top: 60px;
      }
    }
    @media screen and (max-height: 540px) {
      .ant-modal {
        top: 30px;
      }
    }
    @media screen and (max-height: 480px) {
      .ant-modal {
        top: 10px;
      }
    }
  }

  .fullscreen-modal {
    overflow: hidden;

    .ant-modal {
      top: 0 !important;
      right: 0 !important;
      bottom: 0 !important;
      left: 0 !important;
      width: 100% !important;
      // height: 100%;

      &-content {
        height: 100%;
      }
    }
  }
</style>
